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Quickies: SETI, Lucy, and encouraging a young entomologist

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3 Comments

  1. Reading up on the SETI item, there’s good cause to be skeptical.

    1. The amount of power it would take to send the detected transmission in all directions as a broadcast would be hundreds of times the power the earth receives from the sun.
    2. 94 light years is far enough away that hypothetical aliens couldn’t have detected OUR faint radio signals and replied with a directional communication yet. We’ve got another 60 or so years before that can happen.
    3. SETI has measured this star 39 times and only once gotten a signal interesting enough to warrant further investigation.

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